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Render lines using SpriteRenderer without breaking the batch.

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This commit is contained in:
Paul Chote
2018-05-19 12:22:15 +00:00
committed by abcdefg30
parent 9e95cd5331
commit a329711011
8 changed files with 67 additions and 139 deletions
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116
OpenRA.Game/Graphics/RgbaColorRenderer.cs
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@@ -16,44 +16,20 @@ using System.Linq;
namespace OpenRA.Graphics
{
public class RgbaColorRenderer : Renderer.IBatchRenderer
public class RgbaColorRenderer
{
static readonly float2 Offset = new float2(0.5f, 0.5f);
readonly Renderer renderer;
readonly IShader shader;
readonly Action renderAction;
readonly SpriteRenderer parent;
readonly Vertex[] vertices = new Vertex[6];
readonly Vertex[] vertices;
int nv = 0;
public RgbaColorRenderer(Renderer renderer, IShader shader)
public RgbaColorRenderer(SpriteRenderer parent)
{
this.renderer = renderer;
this.shader = shader;
vertices = new Vertex[renderer.TempBufferSize];
renderAction = () => renderer.DrawBatch(vertices, nv, PrimitiveType.TriangleList);
}
public void Flush()
{
if (nv > 0)
{
renderer.Device.SetBlendMode(BlendMode.Alpha);
shader.Render(renderAction);
renderer.Device.SetBlendMode(BlendMode.None);
nv = 0;
}
this.parent = parent;
}
public void DrawLine(float3 start, float3 end, float width, Color startColor, Color endColor)
{
renderer.CurrentBatchRenderer = this;
if (nv + 6 > renderer.TempBufferSize)
Flush();
var delta = (end - start) / (end - start).XY.Length;
var corner = width / 2 * new float3(-delta.Y, delta.X, delta.Z);
@@ -69,21 +45,18 @@ namespace OpenRA.Graphics
var eb = endColor.B / 255.0f;
var ea = endColor.A / 255.0f;
vertices[nv++] = new Vertex(start - corner + Offset, sr, sg, sb, sa, 0, 0);
vertices[nv++] = new Vertex(start + corner + Offset, sr, sg, sb, sa, 0, 0);
vertices[nv++] = new Vertex(end + corner + Offset, er, eg, eb, ea, 0, 0);
vertices[nv++] = new Vertex(end + corner + Offset, er, eg, eb, ea, 0, 0);
vertices[nv++] = new Vertex(end - corner + Offset, er, eg, eb, ea, 0, 0);
vertices[nv++] = new Vertex(start - corner + Offset, sr, sg, sb, sa, 0, 0);
vertices[0] = new Vertex(start - corner + Offset, sr, sg, sb, sa, 0, 0);
vertices[1] = new Vertex(start + corner + Offset, sr, sg, sb, sa, 0, 0);
vertices[2] = new Vertex(end + corner + Offset, er, eg, eb, ea, 0, 0);
vertices[3] = new Vertex(end + corner + Offset, er, eg, eb, ea, 0, 0);
vertices[4] = new Vertex(end - corner + Offset, er, eg, eb, ea, 0, 0);
vertices[5] = new Vertex(start - corner + Offset, sr, sg, sb, sa, 0, 0);
parent.DrawRGBAVertices(vertices);
}
public void DrawLine(float3 start, float3 end, float width, Color color)
{
renderer.CurrentBatchRenderer = this;
if (nv + 6 > renderer.TempBufferSize)
Flush();
var delta = (end - start) / (end - start).XY.Length;
var corner = width / 2 * new float2(-delta.Y, delta.X);
@@ -93,12 +66,13 @@ namespace OpenRA.Graphics
var b = color.B / 255.0f;
var a = color.A / 255.0f;
vertices[nv++] = new Vertex(start - corner + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(start + corner + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(end + corner + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(end + corner + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(end - corner + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(start - corner + Offset, r, g, b, a, 0, 0);
vertices[0] = new Vertex(start - corner + Offset, r, g, b, a, 0, 0);
vertices[1] = new Vertex(start + corner + Offset, r, g, b, a, 0, 0);
vertices[2] = new Vertex(end + corner + Offset, r, g, b, a, 0, 0);
vertices[3] = new Vertex(end + corner + Offset, r, g, b, a, 0, 0);
vertices[4] = new Vertex(end - corner + Offset, r, g, b, a, 0, 0);
vertices[5] = new Vertex(start - corner + Offset, r, g, b, a, 0, 0);
parent.DrawRGBAVertices(vertices);
}
/// <summary>
@@ -146,7 +120,6 @@ namespace OpenRA.Graphics
return;
}
renderer.CurrentBatchRenderer = this;
color = Util.PremultiplyAlpha(color);
var r = color.R / 255.0f;
var g = color.G / 255.0f;
@@ -184,15 +157,13 @@ namespace OpenRA.Graphics
var cd = closed || i < limit ? IntersectionOf(end - corner, dir, end - nextCorner, nextDir) : end - corner;
// Fill segment
if (nv + 6 > renderer.TempBufferSize)
Flush();
vertices[nv++] = new Vertex(ca + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(cb + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(cc + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(cc + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(cd + Offset, r, g, b, a, 0, 0);
vertices[nv++] = new Vertex(ca + Offset, r, g, b, a, 0, 0);
vertices[0] = new Vertex(ca + Offset, r, g, b, a, 0, 0);
vertices[1] = new Vertex(cb + Offset, r, g, b, a, 0, 0);
vertices[2] = new Vertex(cc + Offset, r, g, b, a, 0, 0);
vertices[3] = new Vertex(cc + Offset, r, g, b, a, 0, 0);
vertices[4] = new Vertex(cd + Offset, r, g, b, a, 0, 0);
vertices[5] = new Vertex(ca + Offset, r, g, b, a, 0, 0);
parent.DrawRGBAVertices(vertices);
// Advance line segment
end = next;
@@ -238,23 +209,19 @@ namespace OpenRA.Graphics
public void FillRect(float3 a, float3 b, float3 c, float3 d, Color color)
{
renderer.CurrentBatchRenderer = this;
if (nv + 6 > renderer.TempBufferSize)
Flush();
color = Util.PremultiplyAlpha(color);
var cr = color.R / 255.0f;
var cg = color.G / 255.0f;
var cb = color.B / 255.0f;
var ca = color.A / 255.0f;
vertices[nv++] = new Vertex(a + Offset, cr, cg, cb, ca, 0, 0);
vertices[nv++] = new Vertex(b + Offset, cr, cg, cb, ca, 0, 0);
vertices[nv++] = new Vertex(c + Offset, cr, cg, cb, ca, 0, 0);
vertices[nv++] = new Vertex(c + Offset, cr, cg, cb, ca, 0, 0);
vertices[nv++] = new Vertex(d + Offset, cr, cg, cb, ca, 0, 0);
vertices[nv++] = new Vertex(a + Offset, cr, cg, cb, ca, 0, 0);
vertices[0] = new Vertex(a + Offset, cr, cg, cb, ca, 0, 0);
vertices[1] = new Vertex(b + Offset, cr, cg, cb, ca, 0, 0);
vertices[2] = new Vertex(c + Offset, cr, cg, cb, ca, 0, 0);
vertices[3] = new Vertex(c + Offset, cr, cg, cb, ca, 0, 0);
vertices[4] = new Vertex(d + Offset, cr, cg, cb, ca, 0, 0);
vertices[5] = new Vertex(a + Offset, cr, cg, cb, ca, 0, 0);
parent.DrawRGBAVertices(vertices);
}
public void FillEllipse(float3 tl, float3 br, Color color, int vertices = 32)
@@ -271,20 +238,5 @@ namespace OpenRA.Graphics
DrawLine(new float3(xc - dx, y, z), new float3(xc + dx, y, z), 1, color);
}
}
public void SetViewportParams(Size screen, float depthScale, float depthOffset, float zoom, int2 scroll)
{
shader.SetVec("Scroll", scroll.X, scroll.Y, scroll.Y);
shader.SetVec("r1",
zoom * 2f / screen.Width,
-zoom * 2f / screen.Height,
-depthScale * zoom / screen.Height);
shader.SetVec("r2", -1, 1, 1 - depthOffset);
}
public void SetDepthPreviewEnabled(bool enabled)
{
shader.SetBool("EnableDepthPreview", enabled);
}
}
}